EP2108557A3 - Method and device for controlling the pressure of an EBS braking system if a closed loop malfunctions - Google Patents

Method and device for controlling the pressure of an EBS braking system if a closed loop malfunctions Download PDF

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Publication number
EP2108557A3
EP2108557A3 EP09005151A EP09005151A EP2108557A3 EP 2108557 A3 EP2108557 A3 EP 2108557A3 EP 09005151 A EP09005151 A EP 09005151A EP 09005151 A EP09005151 A EP 09005151A EP 2108557 A3 EP2108557 A3 EP 2108557A3
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EP
European Patent Office
Prior art keywords
pressure
pressure medium
controlling
closed loop
braking system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP09005151A
Other languages
German (de)
French (fr)
Other versions
EP2108557B1 (en
EP2108557A2 (en
Inventor
Eduard Hilberer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Knorr Bremse Systeme fuer Nutzfahrzeuge GmbH
Original Assignee
Knorr Bremse Systeme fuer Nutzfahrzeuge GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Knorr Bremse Systeme fuer Nutzfahrzeuge GmbH filed Critical Knorr Bremse Systeme fuer Nutzfahrzeuge GmbH
Publication of EP2108557A2 publication Critical patent/EP2108557A2/en
Publication of EP2108557A3 publication Critical patent/EP2108557A3/en
Application granted granted Critical
Publication of EP2108557B1 publication Critical patent/EP2108557B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/88—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means
    • B60T8/885—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means using electrical circuitry
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/66—Electrical control in fluid-pressure brake systems
    • B60T13/68—Electrical control in fluid-pressure brake systems by electrically-controlled valves
    • B60T13/683—Electrical control in fluid-pressure brake systems by electrically-controlled valves in pneumatic systems or parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/18—Safety devices; Monitoring
    • B60T17/22—Devices for monitoring or checking brake systems; Signal devices
    • B60T17/221—Procedure or apparatus for checking or keeping in a correct functioning condition of brake systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T2270/00—Further aspects of brake control systems not otherwise provided for
    • B60T2270/40—Failsafe aspects of brake control systems
    • B60T2270/402—Back-up

Abstract

Die Erfindung betrifft ein Verfahren zum Regeln eines Druckes eines, EBS-Bremssystems (10) eines Nutzfahrzeugs (12), wobei bei einem Ausfall eines Regelkreises (88; 90) der Druck in einem dem ausgefallenen Regelkreis (88; 90) zugeordneten Druckmittelvorratsbehälter (28; 30) auf einen für einen zugeordneten Bremszylinder (24; 26) nicht überlastenden Wert eingestellt wird.The invention relates to a method for regulating a pressure of an EBS brake system (10) of a commercial vehicle (12), wherein in the event of a failure of a control circuit (88; 90), the pressure in a pressure medium reservoir (28) assigned to the failed control circuit (88; 30) is set to a non-overloading value for an associated brake cylinder (24;

Erfindungsgemäß ist vorgesehen, dass in dem dem ausgefallenen Regelkreis (88; 90) zugeordneten Druckmittelvorratsbehälter (28; 30) vorhandenes überschüssiges Druckmittel über eine Entlüftung (34) eines verbraucherseitig an einer Druckmittelversorgungseinrichtung (32) angeschlossenen Subsystems (38) abgelassen wird.According to the invention, excess pressure medium present in the pressure medium reservoir (28; 30) associated with the failed control circuit (88; 90) is discharged via a vent (34) of a subsystem (38) connected on the consumer side to a pressure medium supply device (32).

Die Erfindung betrifft weiterhin eine Vorrichtung zum Regeln des Druckes eines EBS-Bremssystems bei Ausfall eines Regelkreises.

Figure imgaf001
The invention further relates to a device for regulating the pressure of an EBS brake system in case of failure of a control loop.
Figure imgaf001
EP20090005151 2008-04-11 2009-04-08 Method and device for controlling the pressure of an EBS braking system if a closed loop malfunctions Not-in-force EP2108557B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008018469 2008-04-11
DE102008021840A DE102008021840B3 (en) 2008-04-11 2008-04-30 Method and device for regulating a pressure of an EBS brake system in the event of a control circuit failure

Publications (3)

Publication Number Publication Date
EP2108557A2 EP2108557A2 (en) 2009-10-14
EP2108557A3 true EP2108557A3 (en) 2011-09-14
EP2108557B1 EP2108557B1 (en) 2012-10-10

Family

ID=40418439

Family Applications (2)

Application Number Title Priority Date Filing Date
EP20090005150 Not-in-force EP2108556B1 (en) 2008-04-11 2009-04-08 Method and device for controlling a pressurised air supply device when a closed loop of an EBS braking system malfunctions
EP20090005151 Not-in-force EP2108557B1 (en) 2008-04-11 2009-04-08 Method and device for controlling the pressure of an EBS braking system if a closed loop malfunctions

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP20090005150 Not-in-force EP2108556B1 (en) 2008-04-11 2009-04-08 Method and device for controlling a pressurised air supply device when a closed loop of an EBS braking system malfunctions

Country Status (2)

Country Link
EP (2) EP2108556B1 (en)
DE (2) DE102008021822B3 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011053707B4 (en) 2011-09-16 2017-01-26 Haldex Brake Products Aktiebolag Compressed air conditioning unit
WO2013093545A1 (en) 2011-12-23 2013-06-27 Renault Trucks Electronically controlled pneumatic brake system for an automotive vehicle and automotive vehicle equipped with such a system
DE102012009185A1 (en) * 2012-05-10 2013-11-14 Wabco Gmbh Method and device for operating compressed air brakes
CN103912534B (en) * 2014-04-11 2016-12-07 柳州柳工液压件有限公司 There is the constant difference overflow valve of unloading function
DE102016005318A1 (en) * 2016-05-02 2017-11-02 Wabco Gmbh Electronically controllable pneumatic braking system in a utility vehicle and method for electronically controlling a pneumatic braking system.
CN109883724B (en) * 2018-12-28 2024-03-26 杭州沃镭智能科技股份有限公司 Performance detection device and detection method for EBS (electronic brake system) double-channel bridge module
DE102019211918A1 (en) * 2019-08-08 2021-02-11 Robert Bosch Gmbh Method for functional testing of a pressure generator unit of an electronically slip-controllable external power brake system with redundant brake pressure generation, in particular for an autonomously drivable motor vehicle
DE102019130762A1 (en) * 2019-11-14 2021-05-20 Wabco Europe Bvba Electropneumatic control module

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993009012A1 (en) * 1991-10-31 1993-05-13 Allied-Signal, Inc. Electro-hydraulic brake system
KR20060102570A (en) * 2005-03-24 2006-09-28 주식회사 만도 Electro-hydraulic brake system
EP1552996B1 (en) * 2004-01-10 2007-09-05 WABCO GmbH Method and apparatus for controlling pressure in an electronic controlled brake system (EBS) of a vehicle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993009012A1 (en) * 1991-10-31 1993-05-13 Allied-Signal, Inc. Electro-hydraulic brake system
EP1552996B1 (en) * 2004-01-10 2007-09-05 WABCO GmbH Method and apparatus for controlling pressure in an electronic controlled brake system (EBS) of a vehicle
KR20060102570A (en) * 2005-03-24 2006-09-28 주식회사 만도 Electro-hydraulic brake system

Also Published As

Publication number Publication date
EP2108556A3 (en) 2011-09-14
EP2108556B1 (en) 2012-10-10
EP2108557B1 (en) 2012-10-10
DE102008021840B3 (en) 2009-06-25
EP2108557A2 (en) 2009-10-14
EP2108556A2 (en) 2009-10-14
DE102008021822B3 (en) 2009-04-09

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